Some 1.5 v LED flasher circuits are available on the internet and we like to present you four of them. The flasher circuits below operate on a single 1.5 volt battery. The circuit on the upper uses ...
You can use an LED as a photoelectricsensor. A previousDesign Idea shows that such a switchis highly power-efficient, consumingalmost no power (Reference 1).However, you cannot adjust that ...
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